DB42/T 1687-2021 萝卜根肿病抗性种质鉴定技术规程

ICS65.020.20

CCSB31

DB42

湖北省地方标准

DB42/T1687—2021

萝卜根肿病抗性种质鉴定技术规程

Codeofpracticeforradishgermplasmresistancetoclubrootdisease

2021-05-12发布2021-07-12实施

湖北省市场监督管理局发布

DB42/T1687—2021

目次

前言................................................................................III

1范围...............................................................................1

2规范性引用文件.....................................................................1

3术语和定义.........................................................................1

4接种前准备.........................................................................1

4.1接种体制备.....................................................................1

4.2培养土制备.....................................................................1

4.3鉴定材料制备...................................................................1

5接种方法...........................................................................1

5.1接种时期.......................................................................1

5.2接种浓度.......................................................................2

5.3鉴定条件设置...................................................................2

5.4鉴定对照.......................................................................2

5.5鉴定设计.......................................................................2

5.6接种方法.......................................................................2

6接种后管理.........................................................................2

7病情调查...........................................................................2

7.1调查时间.......................................................................2

7.2病情分级.......................................................................2

7.3病情指数计算方法...............................................................2

8抗病性评价.........................................................................3

8.1抗病性评价标准.................................................................3

8.2鉴定结果的有效性判别...........................................................3

附录A（资料性）萝卜根肿病病原菌.....................................................4